PatchSiren cyber security CVE debrief

CVE-2026-113176 Google CVE debrief

A memory corruption vulnerability in Google Chrome's Omnibox, prior to version 156.0.8078.47, could potentially allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This issue, tracked as CVE-2026-113176, was publicly disclosed on October 20, 2026. The vulnerability is rated as Medium severity by Chromium and defenders should assess exposure and apply the patch. The CVE record and source item provide details on the memory corruption vulnerability in Google Chrome's Omnibox.

Vendor: Google
Product: Chrome
CVSS: Unknown
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-10-20
Original CVE updated: 2026-10-20
Advisory published: 2026-10-20
Advisory updated: 2026-10-20

Who should care

Defenders responsible for Google Chrome deployments should assess exposure and apply the patch. Defenders should verify Google Chrome version and patch application. Security teams should monitor Google Chrome for any suspicious activity and review compensating controls for exposed systems.

Why it matters

CVE-2026-113176 is a memory corruption vulnerability in Google Chrome's Omnibox that could potentially allow remote code execution inside the sandbox. Defenders responsible for Google Chrome deployments should assess exposure, apply the patch, and monitor for suspicious activity.

Potential remote code execution inside the sandbox
Requires verification of Google Chrome version and patch application
Monitoring for suspicious activity in Google Chrome

Technical summary

The memory corruption vulnerability in Google Chrome's Omnibox could potentially allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The issue is rated as Medium severity by Chromium and was publicly disclosed on October 20, 2026. The CVE record and source item provide details on the memory corruption vulnerability in Google Chrome's Omnibox. Defenders responsible for Google Chrome deployments should assess exposure and apply the patch. The vulnerability affects Google Chrome prior to version 156.0.8078.47.

Defensive priority

Medium

Recommended defensive actions

Assess exposure and apply the patch for Google Chrome version 156.0.8078.47 or later
Verify that Google Chrome is updated to the latest version
Monitor Google Chrome for any suspicious activity
Review compensating controls for exposed systems while remediation is scheduled and verified
Check relevant monitoring, detection, and logs for exposed assets that need extra review
Track exceptions, retest remediated assets, and close the item only after evidence is documented
Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details on the memory corruption vulnerability in Google Chrome's Omnibox. The Chromium security severity is rated as Medium. The issue is tracked as CVE-2026-113176 and was publicly disclosed on October 20, 2026. There are source references for stable channel update and Chromium issue. Defenders should verify Google Chrome version and patch application.

Sources and references

Verified primary and authoritative sources

CVE-2026-113176 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-113176

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-113176 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113176

NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

CVE-2026-113176
Unverified legacy reference

URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113176.json

cve_program_cvelist_v5
Source reference
Unverified legacy reference

URL: https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html

Supplemental source
Source reference
Unverified legacy reference

URL: https://issues.chromium.org/issues/499143720

Supplemental source

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.